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Finding the Fourth Proportional to 1,751.14, 2,626.26 and 655.48

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Solution

The fourth proportional to 1,751.14, 2,626.26 and 655.48 is: 983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751.14 : 2,626.26 = 655.48 : x
  2. Step 2: Convert to fraction form
    1,751.14/2,626.26 = 655.48/x
  3. Step 3: Cross multiply
    1,751.14x = 2,626.26 × 655.48
  4. Step 4: Simplify right side
    1,751.14x = 1,721,460.90
  5. Step 5: Solve for x
    x = 1,721,460.90/1,751.14
  6. Step 6: Final answer
    x = 983.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.